[Retracted] Decision Tree Algorithm-Based Model and Computer Simulation for Evaluating the Effectiveness of Physical Education in Universities

Table 1

Test cases.

Test cases	Number of questionnaires issued	Number of questionnaires withdrawn	Number of valid questionnaires	Recovery rate (%)	Efficiency (%)
Numbers	12	16	20	93.65	94.86
Parents	14	14	20	87.47	86.74
Total	14	15	19	88.47	85.78